Example #1
0
int
main(int argc, char * argv[])
{
    bool last, got_stdin, is_reg;
    bool want_file = false;
    bool verbose_given = false;
    bool version_given = false;
    int res, c, len, k, n, rsp_len, resid, act_len, din_len, verb;
    int sg_fd = -1;
    int infd = -1;
    int do_help = 0;
    int ret = 0;
    uint32_t gen_code = 0;
    const char * device_name = NULL;
    const char * file_name = NULL;
    uint8_t * dmp = NULL;
    uint8_t * dip = NULL;
    uint8_t * free_dip = NULL;
    char * cp;
    char ebuff[EBUFF_SZ];
    struct stat a_stat;
    struct dout_buff_t dout;
    struct opts_t opts;
    struct opts_t * op;
    const struct mode_s * mp;

    op = &opts;
    memset(op, 0, sizeof(opts));
    memset(&dout, 0, sizeof(dout));
    din_len = DEF_DIN_LEN;
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "b:dehi:I:l:m:No:s:S:t:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'b':
            op->bpw = sg_get_num(optarg);
            if (op->bpw < 0) {
                pr2serr("argument to '--bpw' should be in a positive "
                        "number\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if ((cp = strchr(optarg, ','))) {
                if (0 == strncmp("act", cp + 1, 3))
                    op->bpw_then_activate = true;
            }
            break;
        case 'd':
            op->dry_run = true;
            break;
        case 'e':
            op->ealsd = true;
            break;
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'i':
            op->mc_id = sg_get_num_nomult(optarg);
            if ((op->mc_id < 0) || (op->mc_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'I':
            file_name = optarg;
            break;
        case 'l':
            op->mc_len = sg_get_num(optarg);
            if (op->mc_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             op->mc_len_given = true;
             break;
        case 'm':
            if (isdigit(*optarg)) {
                op->mc_mode = sg_get_num_nomult(optarg);
                if ((op->mc_mode < 0) || (op->mc_mode > 255)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 255\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = mode_arr; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        op->mc_mode = mp->mode;
                        break;
                    }
                }
                if (! mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'N':
            op->mc_non = true;
            break;
        case 'o':
           op->mc_offset = sg_get_num(optarg);
           if (op->mc_offset < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if (0 != (op->mc_offset % 4)) {
                pr2serr("'--offset' value needs to be a multiple of 4\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 's':
           op->mc_skip = sg_get_num(optarg);
           if (op->mc_skip < 0) {
                pr2serr("bad argument to '--skip'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'S':
           op->mc_subenc = sg_get_num_nomult(optarg);
           if ((op->mc_subenc < 0) || (op->mc_subenc > 255)) {
                pr2serr("expected argument to '--subenc' to be 0 to 255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 't':
           op->mc_tlen = sg_get_num(optarg);
           if (op->mc_tlen < 0) {
                pr2serr("bad argument to '--tlength'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++op->verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        op->verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        op->verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", op->verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr(ME "version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    switch (op->mc_mode) {
    case MODE_DNLD_MC_OFFS:
    case MODE_DNLD_MC_OFFS_SAVE:
    case MODE_DNLD_MC_OFFS_DEFER:
        want_file = true;
        break;
    case MODE_DNLD_STATUS:
    case MODE_ACTIVATE_MC:
    case MODE_ABORT_MC:
        want_file = false;
        break;
    default:
        pr2serr("%s: mc_mode=0x%x, continue for now\n", __func__,
                op->mc_mode);
        break;
    }

    if ((op->mc_len > 0) && (op->bpw > op->mc_len)) {
        pr2serr("trim chunk size (CS) to be the same as LEN\n");
        op->bpw = op->mc_len;
    }
    if ((op->mc_offset > 0) && (op->bpw > 0)) {
        op->mc_offset = 0;
        pr2serr("WARNING: --offset= ignored (set back to 0) when --bpw= "
                "argument given (and > 0)\n");
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (op->verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, false /* rw */, op->verbose);
    if (sg_fd < 0) {
        if (op->verbose)
            pr2serr(ME "open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    if (file_name && (! want_file))
        pr2serr("ignoring --in=FILE option\n");
    else if (file_name) {
        got_stdin = (0 == strcmp(file_name, "-"));
        if (got_stdin)
            infd = STDIN_FILENO;
        else {
            if ((infd = open(file_name, O_RDONLY)) < 0) {
                ret = sg_convert_errno(errno);
                snprintf(ebuff, EBUFF_SZ,
                         ME "could not open %s for reading", file_name);
                perror(ebuff);
                goto fini;
            } else if (sg_set_binary_mode(infd) < 0)
                perror("sg_set_binary_mode");
        }
        if ((0 == fstat(infd, &a_stat)) && S_ISREG(a_stat.st_mode)) {
            is_reg = true;
            if (0 == op->mc_len) {
                if (op->mc_skip >= a_stat.st_size) {
                    pr2serr("skip exceeds file size of %d bytes\n",
                            (int)a_stat.st_size);
                    ret = SG_LIB_FILE_ERROR;
                    goto fini;
                }
                op->mc_len = (int)(a_stat.st_size) - op->mc_skip;
            }
        } else {
            is_reg = false;
            if (0 == op->mc_len)
                op->mc_len = DEF_XFER_LEN;
        }
        if (op->mc_len > MAX_XFER_LEN) {
            pr2serr("file size or requested length (%d) exceeds "
                    "MAX_XFER_LEN of %d bytes\n", op->mc_len,
                    MAX_XFER_LEN);
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
        if (NULL == (dmp = (uint8_t *)malloc(op->mc_len))) {
            pr2serr(ME "out of memory to hold microcode read from FILE\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
        /* Don't remember why this is preset to 0xff, from write_buffer */
        memset(dmp, 0xff, op->mc_len);
        if (op->mc_skip > 0) {
            if (! is_reg) {
                if (got_stdin)
                    pr2serr("Can't skip on stdin\n");
                else
                    pr2serr(ME "not a 'regular' file so can't apply skip\n");
                ret = SG_LIB_FILE_ERROR;
                goto fini;
            }
            if (lseek(infd, op->mc_skip, SEEK_SET) < 0) {
                ret = sg_convert_errno(errno);
                snprintf(ebuff,  EBUFF_SZ, ME "couldn't skip to "
                         "required position on %s", file_name);
                perror(ebuff);
                goto fini;
            }
        }
        res = read(infd, dmp, op->mc_len);
        if (res < 0) {
            ret = sg_convert_errno(errno);
            snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s",
                     file_name);
            perror(ebuff);
            goto fini;
        }
        if (res < op->mc_len) {
            if (op->mc_len_given) {
                pr2serr("tried to read %d bytes from %s, got %d bytes\n",
                        op->mc_len, file_name, res);
                pr2serr("pad with 0xff bytes and continue\n");
            } else {
                if (op->verbose) {
                    pr2serr("tried to read %d bytes from %s, got %d "
                            "bytes\n", op->mc_len, file_name, res);
                    pr2serr("will send %d bytes", res);
                    if ((op->bpw > 0) && (op->bpw < op->mc_len))
                        pr2serr(", %d bytes per WRITE BUFFER command\n",
                                op->bpw);
                    else
                        pr2serr("\n");
                }
                op->mc_len = res;
            }
        }
        if (! got_stdin)
            close(infd);
        infd = -1;
    } else if (want_file) {
        pr2serr("need --in=FILE option with given mode\n");
        ret = SG_LIB_CONTRADICT;
        goto fini;
    }
    if (op->mc_tlen < op->mc_len)
        op->mc_tlen = op->mc_len;
    if (op->mc_non && (MODE_DNLD_STATUS == op->mc_mode)) {
        pr2serr("Do nothing because '--non' given so fetching the Download "
                "microcode status\ndpage might be dangerous\n");
        goto fini;
    }

    dip = sg_memalign(din_len, 0, &free_dip, op->verbose > 3);
    if (NULL == dip) {
        pr2serr(ME "out of memory (data-in buffer)\n");
        ret = SG_LIB_CAT_OTHER;
        goto fini;
    }
    verb = (op->verbose > 1) ? op->verbose - 1 : 0;
    /* Fetch Download microcode status dpage for generation code ++ */
    if (op->dry_run) {
        n = sizeof(dummy_rd_resp);
        n = (n < din_len) ? n : din_len;
        memcpy(dip, dummy_rd_resp, n);
        resid = din_len - n;
        res = 0;
    } else
        res = sg_ll_receive_diag_v2(sg_fd, true /* pcv */,
                                    DPC_DOWNLOAD_MICROCODE, dip, din_len,
                                    0 /*default timeout */, &resid, true,
                                    verb);
    if (0 == res) {
        rsp_len = sg_get_unaligned_be16(dip + 2) + 4;
        act_len = din_len - resid;
        if (rsp_len > din_len) {
            pr2serr("<<< warning response buffer too small [%d but need "
                    "%d]>>>\n", din_len, rsp_len);
            rsp_len = din_len;
        }
        if (rsp_len > act_len) {
            pr2serr("<<< warning response too short [actually got %d but "
                    "need %d]>>>\n", act_len, rsp_len);
            rsp_len = act_len;
        }
        if (rsp_len < 8) {
            pr2serr("Download microcode status dpage too short\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
        if ((op->verbose > 2) || (op->dry_run && op->verbose))
            pr2serr("rec diag(ini): rsp_len=%d, num_sub-enc=%u "
                    "rec_gen_code=%u\n", rsp_len, dip[1],
                    sg_get_unaligned_be32(dip + 4));
    } else {
        ret = res;
        goto fini;
    }
    gen_code = sg_get_unaligned_be32(dip + 4);

    if (MODE_DNLD_STATUS == op->mc_mode) {
        show_download_mc_sdg(dip, rsp_len, gen_code);
        goto fini;
    } else if (! want_file) {   /* ACTIVATE and ABORT */
        res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout, dip,
                                din_len, true, op);
        ret = res;
        goto fini;
    }

    res = 0;
    if (op->bpw > 0) {
        for (k = 0, last = false; k < op->mc_len; k += n) {
            n = op->mc_len - k;
            if (n > op->bpw)
                n = op->bpw;
            else
                last = true;
            if (op->verbose)
                pr2serr("bpw loop: mode=0x%x, id=%d, off_off=%d, len=%d, "
                        "last=%d\n", op->mc_mode, op->mc_id, k, n, last);
            res = send_then_receive(sg_fd, gen_code, k, dmp + k, n, &dout,
                                    dip, din_len, last, op);
            if (res)
                break;
        }
        if (op->bpw_then_activate && (0 == res)) {
            op->mc_mode = MODE_ACTIVATE_MC;
            if (op->verbose)
                pr2serr("sending Activate deferred microcode [0xf]\n");
            res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout,
                                    dip, din_len, true, op);
        }
    } else {
        if (op->verbose)
            pr2serr("single: mode=0x%x, id=%d, offset=%d, len=%d\n",
                    op->mc_mode, op->mc_id, op->mc_offset, op->mc_len);
        res = send_then_receive(sg_fd, gen_code, 0, dmp, op->mc_len, &dout,
                                dip, din_len, true, op);
    }
    if (res)
        ret = res;

fini:
    if ((infd >= 0) && (! got_stdin))
        close(infd);
    if (dmp)
        free(dmp);
    if (dout.free_doutp)
        free(dout.free_doutp);
    if (free_dip)
        free(free_dip);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == op->verbose) {
        if (! sg_if_can2stderr("sg_ses_mocrocode failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Example #2
0
int
main(int argc, char * argv[])
{
    bool do_long = false;
    bool o_readonly = false;
    bool do_raw = false;
    bool verbose_given = false;
    bool version_given = false;
    int res, c, len, k;
    int sg_fd = -1;
    int do_help = 0;
    int do_hex = 0;
    int rb_id = 0;
    int rb_len = 4;
    int rb_mode = 0;
    int rb_mode_sp = 0;
    int resid = 0;
    int verbose = 0;
    int ret = 0;
    int64_t ll;
    uint64_t rb_offset = 0;
    const char * device_name = NULL;
    uint8_t * resp;
    const struct mode_s * mp;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "hHi:l:Lm:o:rRS:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'H':
            ++do_hex;
            break;
        case 'i':
            rb_id = sg_get_num(optarg);
            if ((rb_id < 0) || (rb_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'l':
            rb_len = sg_get_num(optarg);
            if (rb_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             if (rb_len > 0xffffff) {
                pr2serr("argument to '--length' must be <= 0xffffff\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             break;
        case 'L':
            do_long = true;
            break;
        case 'm':
            if (isdigit(*optarg)) {
                rb_mode = sg_get_num(optarg);
                if ((rb_mode < 0) || (rb_mode > 31)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 31\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = modes; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        rb_mode = mp->mode;
                        break;
                    }
                }
                if (NULL == mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'o':
           ll = sg_get_llnum(optarg);
           if (ll < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            rb_offset = ll;
            break;
        case 'r':
            do_raw = true;
            break;
        case 'R':
            o_readonly = true;
            break;
        case 'S':
           rb_mode_sp = sg_get_num(optarg);
           if ((rb_mode_sp < 0) || (rb_mode_sp > 7)) {
                pr2serr("expected argument to '--specific' to be 0 to 7\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    len = rb_len ? rb_len : 8;
    resp = (uint8_t *)malloc(len);
    if (NULL == resp) {
        pr2serr("unable to allocate %d bytes on the heap\n", len);
        return SG_LIB_CAT_OTHER;
    }
    memset(resp, 0, len);

    if (do_raw) {
        if (sg_set_binary_mode(STDOUT_FILENO) < 0) {
            perror("sg_set_binary_mode");
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, o_readonly, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr("open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    if (do_long)
        res = sg_ll_read_buffer_16(sg_fd, rb_mode, rb_mode_sp, rb_id,
                                   rb_offset, resp, rb_len, &resid, true,
                                   verbose);
    else if (rb_offset > 0xffffff) {
        pr2serr("--offset value is too large for READ BUFFER(10), try "
                "--16\n");
        ret = SG_LIB_SYNTAX_ERROR;
        goto fini;
    } else
        res = sg_ll_read_buffer_10(sg_fd, rb_mode, rb_mode_sp, rb_id,
                                   (uint32_t)rb_offset, resp, rb_len, &resid,
                                   true, verbose);
    if (0 != res) {
        char b[80];

        ret = res;
        if (res > 0) {
            sg_get_category_sense_str(res, sizeof(b), b, verbose);
            pr2serr("Read buffer(%d) failed: %s\n", (do_long ? 16 : 10), b);
        }
        goto fini;
    }
    if (resid > 0)
        rb_len -= resid;        /* got back less than requested */
    if (rb_len > 0) {
        if (do_raw)
            dStrRaw(resp, rb_len);
        else if (do_hex || (rb_len < 4))
            hex2stdout((const uint8_t *)resp, rb_len, ((do_hex > 1) ? 0 : 1));
        else {
            switch (rb_mode) {
            case MODE_DESCRIPTOR:
                k = sg_get_unaligned_be24(resp + 1);
                printf("OFFSET BOUNDARY: %d, Buffer offset alignment: "
                       "%d-byte\n", resp[0], (1 << resp[0]));
                printf("BUFFER CAPACITY: %d (0x%x)\n", k, k);
                break;
            case MODE_ECHO_BDESC:
                k = sg_get_unaligned_be16(resp + 2) & 0x1fff;
                printf("EBOS:%d\n", resp[0] & 1 ? 1 : 0);
                printf("Echo buffer capacity: %d (0x%x)\n", k, k);
                break;
            default:
                hex2stdout((const uint8_t *)resp, rb_len,
                           (verbose > 1 ? 0 : 1));
                break;
            }
        }
    }

fini:
    if (resp)
        free(resp);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_read_buffer failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Example #3
0
int
main(int argc, char * argv[])
{
    int sg_fd, res, c, len, k, n, got_stdin, is_reg, rsp_len, verb, last;
    int infd = -1;
    int do_help = 0;
    const char * device_name = NULL;
    const char * file_name = NULL;
    unsigned char * dmp = NULL;
    unsigned char * dip = NULL;
    char * cp;
    char ebuff[EBUFF_SZ];
    struct stat a_stat;
    struct dout_buff_t dout;
    struct opts_t opts;
    struct opts_t * op;
    const struct mode_s * mp;
    uint32_t gen_code = 0;
    int ret = 0;

    op = &opts;
    memset(op, 0, sizeof(opts));
    memset(&dout, 0, sizeof(dout));
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "b:hi:I:l:m:No:s:S:t:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'b':
            op->bpw = sg_get_num(optarg);
            if (op->bpw < 0) {
                pr2serr("argument to '--bpw' should be in a positive "
                        "number\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if ((cp = strchr(optarg, ','))) {
                if (0 == strncmp("act", cp + 1, 3))
                    ++op->bpw_then_activate;
            }
            break;
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'i':
            op->mc_id = sg_get_num(optarg);
            if ((op->mc_id < 0) || (op->mc_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'I':
            file_name = optarg;
            break;
        case 'l':
            op->mc_len = sg_get_num(optarg);
            if (op->mc_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             op->mc_len_given = 1;
             break;
        case 'm':
            if (isdigit(*optarg)) {
                op->mc_mode = sg_get_num(optarg);
                if ((op->mc_mode < 0) || (op->mc_mode > 255)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 255\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = mode_arr; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        op->mc_mode = mp->mode;
                        break;
                    }
                }
                if (! mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'N':
            ++op->mc_non;
            break;
        case 'o':
           op->mc_offset = sg_get_num(optarg);
           if (op->mc_offset < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if (0 != (op->mc_offset % 4)) {
                pr2serr("'--offset' value needs to be a multiple of 4\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 's':
           op->mc_skip = sg_get_num(optarg);
           if (op->mc_skip < 0) {
                pr2serr("bad argument to '--skip'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'S':
           op->mc_subenc = sg_get_num(optarg);
           if ((op->mc_subenc < 0) || (op->mc_subenc > 255)) {
                pr2serr("expected argument to '--subenc' to be 0 to 255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 't':
           op->mc_tlen = sg_get_num(optarg);
           if (op->mc_tlen < 0) {
                pr2serr("bad argument to '--tlength'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            ++op->verbose;
            break;
        case 'V':
            pr2serr(ME "version: %s\n", version_str);
            return 0;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    if ((op->mc_len > 0) && (op->bpw > op->mc_len)) {
        pr2serr("trim chunk size (CS) to be the same as LEN\n");
        op->bpw = op->mc_len;
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (op->verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, 0 /* rw */, op->verbose);
    if (sg_fd < 0) {
        pr2serr(ME "open error: %s: %s\n", device_name,
                safe_strerror(-sg_fd));
        return SG_LIB_FILE_ERROR;
    }

    if (file_name && ((MODE_DNLD_STATUS == op->mc_mode) ||
                      (MODE_ACTIVATE_MC == op->mc_mode)))
        pr2serr("ignoring --in=FILE option\n");
    else if (file_name) {
        got_stdin = (0 == strcmp(file_name, "-")) ? 1 : 0;
        if (got_stdin)
            infd = STDIN_FILENO;
        else {
            if ((infd = open(file_name, O_RDONLY)) < 0) {
                snprintf(ebuff, EBUFF_SZ,
                         ME "could not open %s for reading", file_name);
                perror(ebuff);
                ret = SG_LIB_FILE_ERROR;
                goto fini;
            } else if (sg_set_binary_mode(infd) < 0)
                perror("sg_set_binary_mode");
        }
        if ((0 == fstat(infd, &a_stat)) && S_ISREG(a_stat.st_mode)) {
            is_reg = 1;
            if (0 == op->mc_len) {
                if (op->mc_skip >= a_stat.st_size) {
                    pr2serr("skip exceeds file size of %d bytes\n",
                            (int)a_stat.st_size);
                    ret = SG_LIB_FILE_ERROR;
                    goto fini;
                }
                op->mc_len = (int)(a_stat.st_size) - op->mc_skip;
            }
        } else {
            is_reg = 0;
            if (0 == op->mc_len)
                op->mc_len = DEF_XFER_LEN;
        }
        if (op->mc_len > MAX_XFER_LEN) {
            pr2serr("file size or requested length (%d) exceeds "
                    "MAX_XFER_LEN of %d bytes\n", op->mc_len,
                    MAX_XFER_LEN);
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
        if (NULL == (dmp = (unsigned char *)malloc(op->mc_len))) {
            pr2serr(ME "out of memory (to hold microcode)\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
        /* Don't remember why this is preset to 0xff, from write_buffer */
        memset(dmp, 0xff, op->mc_len);
        if (op->mc_skip > 0) {
            if (! is_reg) {
                if (got_stdin)
                    pr2serr("Can't skip on stdin\n");
                else
                    pr2serr(ME "not a 'regular' file so can't apply skip\n");
                ret = SG_LIB_FILE_ERROR;
                goto fini;
            }
            if (lseek(infd, op->mc_skip, SEEK_SET) < 0) {
                snprintf(ebuff,  EBUFF_SZ, ME "couldn't skip to "
                         "required position on %s", file_name);
                perror(ebuff);
                ret = SG_LIB_FILE_ERROR;
                goto fini;
            }
        }
        res = read(infd, dmp, op->mc_len);
        if (res < 0) {
            snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s",
                     file_name);
            perror(ebuff);
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
        if (res < op->mc_len) {
            if (op->mc_len_given) {
                pr2serr("tried to read %d bytes from %s, got %d bytes\n",
                        op->mc_len, file_name, res);
                pr2serr("pad with 0xff bytes and continue\n");
            } else {
                if (op->verbose) {
                    pr2serr("tried to read %d bytes from %s, got %d "
                            "bytes\n", op->mc_len, file_name, res);
                    pr2serr("will send %d bytes", res);
                    if ((op->bpw > 0) && (op->bpw < op->mc_len))
                        pr2serr(", %d bytes per WRITE BUFFER command\n",
                                op->bpw);
                    else
                        pr2serr("\n");
                }
                op->mc_len = res;
            }
        }
        if (! got_stdin)
            close(infd);
        infd = -1;
    } else if (! ((MODE_DNLD_STATUS == op->mc_mode) ||
                  (MODE_ACTIVATE_MC == op->mc_mode))) {
        pr2serr("need --in=FILE option with given mode\n");
        ret = SG_LIB_SYNTAX_ERROR;
        goto fini;
    }
    if (op->mc_tlen < op->mc_len)
        op->mc_tlen = op->mc_len;
    if (op->mc_non && (MODE_DNLD_STATUS == op->mc_mode)) {
        pr2serr("Do nothing because '--non' given so fetching the Download "
                "microcode status\ndpage might be dangerous\n");
        goto fini;
    }

    if (NULL == (dip = (unsigned char *)malloc(DEF_DI_LEN))) {
        pr2serr(ME "out of memory (data-in buffer)\n");
        ret = SG_LIB_CAT_OTHER;
        goto fini;
    }
    memset(dip, 0, DEF_DI_LEN);
    verb = (op->verbose > 1) ? op->verbose - 1 : 0;
    /* Fetch Download microcode status dpage for generation code ++ */
    res = sg_ll_receive_diag(sg_fd, 1 /* pcv */, DPC_DOWNLOAD_MICROCODE, dip,
                             DEF_DI_LEN, 1, verb);
    if (0 == res) {
        rsp_len = sg_get_unaligned_be16(dip + 2) + 4;
        if (rsp_len > DEF_DI_LEN) {
            pr2serr("<<< warning response buffer too small [%d but need "
                    "%d]>>>\n", DEF_DI_LEN, rsp_len);
            rsp_len = DEF_DI_LEN;
        }
        if (rsp_len < 8) {
            pr2serr("Download microcode status dpage too short\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
    } else {
        ret = res;
        goto fini;
    }
    gen_code = sg_get_unaligned_be32(dip + 4);

    if (MODE_DNLD_STATUS == op->mc_mode) {
        ses_download_code_sdg(dip, rsp_len, gen_code);
        goto fini;
    } else if (MODE_ACTIVATE_MC == op->mc_mode) {
        res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout, dip, 1,
                                op);
        ret = res;
        goto fini;
    }

    res = 0;
    if (op->bpw > 0) {
        for (k = 0, last = 0; k < op->mc_len; k += n) {
            n = op->mc_len - k;
            if (n > op->bpw)
                n = op->bpw;
            else
                last = 1;
            if (op->verbose)
                pr2serr("bpw loop: mode=0x%x, id=%d, off_off=%d, len=%d, "
                        "last=%d\n", op->mc_mode, op->mc_id, k, n, last);
            res = send_then_receive(sg_fd, gen_code, k, dmp + k, n, &dout,
                                    dip, last, op);
            if (res)
                break;
        }
        if (op->bpw_then_activate && (0 == res)) {
            op->mc_mode = MODE_ACTIVATE_MC;
            if (op->verbose)
                pr2serr("sending Activate deferred microcode [0xf]\n");
            res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout,
                                    dip, 1, op);
        }
    } else {
        if (op->verbose)
            pr2serr("single: mode=0x%x, id=%d, offset=%d, len=%d\n",
                    op->mc_mode, op->mc_id, op->mc_offset, op->mc_len);
        res = send_then_receive(sg_fd, gen_code, 0, dmp, op->mc_len, &dout,
                                dip, 1, op);
    }
    if (res)
        ret = res;

fini:
    if ((infd >= 0) && (! got_stdin))
        close(infd);
    if (dmp)
        free(dmp);
    if (dout.doutp)
        free(dout.doutp);
    res = sg_cmds_close_device(sg_fd);
    if (res < 0) {
        pr2serr("close error: %s\n", safe_strerror(-res));
        if (0 == ret)
            return SG_LIB_FILE_ERROR;
    }
    if (ret && (0 == op->verbose)) {
        if (SG_LIB_CAT_INVALID_OP == ret)
            pr2serr("%sRECEIVE DIAGNOSTIC RESULTS command not supported\n",
                    ((MODE_DNLD_STATUS == op->mc_mode) ?
                     "" : "SEND DIAGNOSTIC or "));
        else if (ret > 0)
            pr2serr("Failed, exit status %d\n", ret);
        else if (ret < 0)
            pr2serr("Some error occurred\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Example #4
0
int
main(int argc, char * argv[])
{
    int sg_fd, k, num, rsp_len, res, rsp_buff_size, pg;
    int read_in_len = 0;
    int ret = 0;
    struct opts_t opts;
    struct opts_t * op;
    unsigned char * rsp_buff = NULL;
    const char * cp;
    unsigned char * read_in = NULL;

    op = &opts;
    memset(op, 0, sizeof(opts));
    op->maxlen = DEF_ALLOC_LEN;
    op->page_code = -1;
    res = process_cl(op, argc, argv);
    if (res)
        return SG_LIB_SYNTAX_ERROR;
    if (op->do_help) {
        if (op->opt_new)
            usage();
        else
            usage_old();
        return 0;
    }
    if (op->do_version) {
        fprintf(stderr, "Version string: %s\n", version_str);
        return 0;
    }
    rsp_buff_size = op->maxlen;

    if (NULL == op->device_name) {
        if (op->do_list) {
            list_page_codes();
            return 0;
        }
        fprintf(stderr, "No DEVICE argument given\n");
        if (op->opt_new)
            usage();
        else
            usage_old();
        return SG_LIB_SYNTAX_ERROR;
    }
    if (op->do_raw) {
        read_in = (unsigned char *)calloc(op->maxlen, 1);
        if (NULL == read_in) {
            fprintf(stderr, "unable to allocate %d bytes\n", op->maxlen);
            return SG_LIB_CAT_OTHER;
        }
        if (build_diag_page(op->raw_arg, read_in, &read_in_len, op->maxlen)) {
            if (op->opt_new) {
                printf("Bad sequence after '--raw=' option\n");
                usage();
            } else {
                printf("Bad sequence after '-raw=' option\n");
                usage_old();
            }
            return SG_LIB_SYNTAX_ERROR;
        }
    }

    if ((op->do_doff || op->do_uoff) && (! op->do_deftest)) {
        if (op->opt_new) {
            printf("setting --doff or --uoff only useful when -t is set\n");
            usage();
        } else {
            printf("setting -doff or -uoff only useful when -t is set\n");
            usage_old();
        }
        return SG_LIB_SYNTAX_ERROR;
    }
    if ((op->do_selftest > 0) && op->do_deftest) {
        if (op->opt_new) {
            printf("either set --selftest=SF or --test (not both)\n");
            usage();
        } else {
            printf("either set -s=SF or -t (not both)\n");
            usage_old();
        }
        return SG_LIB_SYNTAX_ERROR;
    }
    if (op->do_raw) {
        if ((op->do_selftest > 0) || op->do_deftest || op->do_extdur ||
            op->do_list) {
            if (op->opt_new) {
                printf("'--raw=' cannot be used with self-tests, '-e' or "
                       "'-l'\n");
                usage();
            } else {
                printf("'-raw=' cannot be used with self-tests, '-e' or "
                       "'-l'\n");
                usage_old();
            }
            return SG_LIB_SYNTAX_ERROR;
        }
        if (! op->do_pf) {
            if (op->opt_new)
                printf(">>> warning, '--pf' probably should be used with "
                       "'--raw='\n");
            else
                printf(">>> warning, '-pf' probably should be used with "
                       "'-raw='\n");
        }
    }
#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (op->do_verbose > 4)
        fprintf(stderr, "Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    if (op->maxlen >= 16384)
        scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    if ((sg_fd = sg_cmds_open_device(op->device_name, 0 /* rw */,
                                     op->do_verbose)) < 0) {
        fprintf(stderr, ME "error opening file: %s: %s\n", op->device_name,
                safe_strerror(-sg_fd));
        return SG_LIB_FILE_ERROR;
    }
    rsp_buff = (unsigned char *)calloc(op->maxlen, 1);
    if (NULL == rsp_buff) {
        fprintf(stderr, "unable to allocate %d bytes (2)\n", op->maxlen);
        return SG_LIB_CAT_OTHER;
    }
    if (op->do_extdur) {
        res = do_modes_0a(sg_fd, rsp_buff, 32, 1, 0, op->do_verbose);
        if (0 == res) {
            /* Assume mode sense(10) response without block descriptors */
            num = sg_get_unaligned_be16(rsp_buff) - 6;
            if (num >= 0xc) {
                int secs;

                secs = sg_get_unaligned_be16(rsp_buff + 18);
#ifdef SG_LIB_MINGW
                printf("Expected extended self-test duration=%d seconds "
                       "(%g minutes)\n", secs, secs / 60.0);
#else
                printf("Expected extended self-test duration=%d seconds "
                       "(%.2f minutes)\n", secs, secs / 60.0);
#endif
            } else
                printf("Extended self-test duration not available\n");
        } else {
            ret = res;
            printf("Extended self-test duration (mode page 0xa) failed\n");
            goto err_out9;
        }
    } else if ((op->do_list) || (op->page_code >= 0x0)) {
        pg = op->page_code;
        if (pg < 0)
            res = do_senddiag(sg_fd, 0, 1 /* pf */, 0, 0, 0, rsp_buff, 4, 1,
                              op->do_verbose);
        else
            res = 0;
        if (0 == res) {
            if (0 == sg_ll_receive_diag(sg_fd, (pg >= 0x0),
                                        ((pg >= 0x0) ? pg : 0), rsp_buff,
                                        rsp_buff_size, 1, op->do_verbose)) {
                rsp_len = sg_get_unaligned_be16(rsp_buff + 2) + 4;
                if (op->do_hex > 1)
                    dStrHex((const char *)rsp_buff, rsp_len,
                            (2 == op->do_hex) ? 0 : -1);
                else if (pg < 0x1) {
                    printf("Supported diagnostic pages response:\n");
                    if (op->do_hex)
                        dStrHex((const char *)rsp_buff, rsp_len, 1);
                    else {
                        for (k = 0; k < (rsp_len - 4); ++k) {
                            cp = find_page_code_desc(rsp_buff[k + 4]);
                            printf("  0x%02x  %s\n", rsp_buff[k + 4],
                                   (cp ? cp : "<unknown>"));
                        }
                    }
                } else {
                    cp = find_page_code_desc(pg);
                    if (cp)
                        printf("%s diagnostic page [0x%x] response in "
                               "hex:\n", cp, pg);
                    else
                        printf("diagnostic page 0x%x response in hex:\n", pg);
                    dStrHex((const char *)rsp_buff, rsp_len, 1);
                }
            } else {
                ret = res;
                fprintf(stderr, "RECEIVE DIAGNOSTIC RESULTS command "
                        "failed\n");
                goto err_out9;
            }
        } else {
            ret = res;
            goto err_out;
        }
    } else if (op->do_raw) {
        res = do_senddiag(sg_fd, 0, op->do_pf, 0, 0, 0, read_in,
                          read_in_len, 1, op->do_verbose);
        if (res) {
            ret = res;
            goto err_out;
        }
    } else {
        res = do_senddiag(sg_fd, op->do_selftest, op->do_pf, op->do_deftest,
                          op->do_doff, op->do_uoff, NULL, 0, 1,
                          op->do_verbose);
        if (0 == res) {
            if ((5 == op->do_selftest) || (6 == op->do_selftest))
                printf("Foreground self-test returned GOOD status\n");
            else if (op->do_deftest && (! op->do_doff) && (! op->do_uoff))
                printf("Default self-test returned GOOD status\n");
        } else {
            ret = res;
            goto err_out;
        }
    }
    res = sg_cmds_close_device(sg_fd);
    if ((res < 0) && (0 == ret))
        return SG_LIB_SYNTAX_ERROR;
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;

err_out:
    if (SG_LIB_CAT_UNIT_ATTENTION == res)
        fprintf(stderr, "SEND DIAGNOSTIC, unit attention\n");
    else if (SG_LIB_CAT_ABORTED_COMMAND == res)
        fprintf(stderr, "SEND DIAGNOSTIC, aborted command\n");
    else if (SG_LIB_CAT_NOT_READY == res)
        fprintf(stderr, "SEND DIAGNOSTIC, device not "
                "ready\n");
    else
        fprintf(stderr, "SEND DIAGNOSTIC command, failed\n");
err_out9:
    if (op->do_verbose < 2)
        fprintf(stderr, "  try again with '-vv' for more information\n");
    res = sg_cmds_close_device(sg_fd);
    if ((res < 0) && (0 == ret))
        return SG_LIB_FILE_ERROR;
    if (read_in)
        free(read_in);
    if (rsp_buff)
        free(rsp_buff);
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Example #5
0
int
main(int argc, char * argv[])
{
    int res, c, len, k;
    int sg_fd = -1;
    int do_help = 0;
    int do_hex = 0;
    int do_long = 0;
    int o_readonly = 0;
    int rb_id = 0;
    int rb_len = 4;
    int rb_mode = 0;
    int rb_mode_sp = 0;
    int64_t ll;
    uint64_t rb_offset = 0;
    int do_raw = 0;
    int resid = 0;
    int verbose = 0;
    int ret = 0;
    const char * device_name = NULL;
    unsigned char * resp;
    const struct mode_s * mp;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "hHi:l:Lm:o:rRS:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'H':
            ++do_hex;
            break;
        case 'i':
            rb_id = sg_get_num(optarg);
            if ((rb_id < 0) || (rb_id > 255)) {
                fprintf(stderr, "argument to '--id' should be in the range "
                        "0 to 255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'l':
            rb_len = sg_get_num(optarg);
            if (rb_len < 0) {
                fprintf(stderr, "bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             if (rb_len > 0xffffff) {
                fprintf(stderr, "argument to '--length' must be <= "
                        "0xffffff\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             break;
        case 'L':
            ++do_long;
            break;
        case 'm':
            if (isdigit(*optarg)) {
                rb_mode = sg_get_num(optarg);
                if ((rb_mode < 0) || (rb_mode > 31)) {
                    fprintf(stderr, "argument to '--mode' should be in the "
                            "range 0 to 31\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = modes; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        rb_mode = mp->mode;
                        break;
                    }
                }
                if (NULL == mp) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'o':
           ll = sg_get_llnum(optarg);
           if (ll < 0) {
                fprintf(stderr, "bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            rb_offset = ll;
            break;
        case 'r':
            ++do_raw;
            break;
        case 'R':
            ++o_readonly;
            break;
        case 'S':
           rb_mode_sp = sg_get_num(optarg);
           if ((rb_mode_sp < 0) || (rb_mode_sp > 7)) {
                fprintf(stderr, "expected argument to '--specific' to be 0 "
                        "to 7\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            ++verbose;
            break;
        case 'V':
            fprintf(stderr, "version: %s\n", version_str);
            return 0;
        default:
            fprintf(stderr, "unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            fprintf(stderr, "\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                fprintf(stderr, "Unexpected extra argument: %s\n",
                        argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

    if (NULL == device_name) {
        fprintf(stderr, "missing device name!\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    if (rb_len > 0) {
        resp = (unsigned char *)malloc(rb_len);
        if (NULL == resp) {
            fprintf(stderr, "unable to allocate %d bytes on the heap\n",
                    rb_len);
            return SG_LIB_CAT_OTHER;
        }
        memset(resp, 0, rb_len);
    } else
        resp = NULL;

    if (do_raw) {
        if (sg_set_binary_mode(STDOUT_FILENO) < 0) {
            perror("sg_set_binary_mode");
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (verbose > 4)
        fprintf(stderr, "Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, o_readonly, verbose);
    if (sg_fd < 0) {
        fprintf(stderr, "open error: %s: %s\n", device_name,
                safe_strerror(-sg_fd));
        ret = SG_LIB_FILE_ERROR;
        goto fini;
    }

    if (do_long)
        res = ll_read_buffer_16(sg_fd, rb_mode, rb_mode_sp, rb_id, rb_offset,
                                resp, rb_len, &resid, 1, verbose);
    else if (rb_offset > 0xffffff) {
        fprintf(stderr, "--offset value is too large for READ BUFFER(10), "
                "try --16\n");
        ret = SG_LIB_SYNTAX_ERROR;
        goto fini;
    } else
        res = ll_read_buffer_10(sg_fd, rb_mode, rb_mode_sp, rb_id,
                                (uint32_t)rb_offset, resp, rb_len, &resid, 1,
                                verbose);
    if (0 != res) {
        char b[80];

        ret = res;
        if (res > 0) {
            sg_get_category_sense_str(res, sizeof(b), b, verbose);
            fprintf(stderr, "Read buffer(%d) failed: %s\n",
                    (do_long ? 16 : 10), b);
        }
        goto fini;
    }
    if (resid > 0)
        rb_len -= resid;        /* got back less than requested */
    if (rb_len > 0) {
        if (do_raw)
            dStrRaw((const char *)resp, rb_len);
        else if (do_hex || (rb_len < 4))
            dStrHex((const char *)resp, rb_len, ((do_hex > 1) ? 0 : 1));
        else {
            switch (rb_mode) {
            case MODE_DESCRIPTOR:
                k = (resp[1] << 16) | (resp[2] << 8) | resp[3];
                printf("OFFSET BOUNDARY: %d, Buffer offset alignment: "
                       "%d-byte\n", resp[0], (1 << resp[0]));
                printf("BUFFER CAPACITY: %d (0x%x)\n", k, k);
                break;
            case MODE_ECHO_BDESC:
                k = ((resp[2] & 0x1F) << 8) | resp[3];

                printf("EBOS:%d\n", resp[0] & 1 ? 1 : 0);
                printf("Echo buffer capacity: %d (0x%x)\n", k, k);
                break;
            default:
                dStrHex((const char *)resp, rb_len, (verbose > 1 ? 0 : 1));
                break;
            }
        }
    }

fini:
    if (resp)
        free(resp);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            fprintf(stderr, "close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                return SG_LIB_FILE_ERROR;
        }
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
int
main(int argc, char * argv[])
{
    bool bpw_then_activate = false;
    bool dry_run = false;
    bool got_stdin = false;
    bool wb_len_given = false;
    int sg_fd, infd, res, c, len, k, n;
    int bpw = 0;
    int do_help = 0;
    int ret = 0;
    int verbose = 0;
    int wb_id = 0;
    int wb_len = 0;
    int wb_mode = 0;
    int wb_offset = 0;
    int wb_skip = 0;
    int wb_timeout = DEF_PT_TIMEOUT;
    int wb_mspec = 0;
    const char * device_name = NULL;
    const char * file_name = NULL;
    unsigned char * dop = NULL;
    char * cp;
    const struct mode_s * mp;
    char ebuff[EBUFF_SZ];

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "b:dhi:I:l:m:o:rs:S:t:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'b':
            bpw = sg_get_num(optarg);
            if (bpw < 0) {
                pr2serr("argument to '--bpw' should be in a positive "
                        "number\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if ((cp = strchr(optarg, ','))) {
                if (0 == strncmp("act", cp + 1, 3))
                    bpw_then_activate = true;
            }
            break;
        case 'd':
            dry_run = true;
            break;
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'i':
            wb_id = sg_get_num(optarg);
            if ((wb_id < 0) || (wb_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'I':
            file_name = optarg;
            break;
        case 'l':
            wb_len = sg_get_num(optarg);
            if (wb_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             wb_len_given = true;
             break;
        case 'm':
            if (isdigit(*optarg)) {
                wb_mode = sg_get_num(optarg);
                if ((wb_mode < 0) || (wb_mode > 31)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 31\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = mode_arr; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        wb_mode = mp->mode;
                        break;
                    }
                }
                if (! mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'o':
           wb_offset = sg_get_num(optarg);
           if (wb_offset < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'r':       /* --read-stdin and --raw (previous name) */
            file_name = "-";
            break;
        case 's':
           wb_skip = sg_get_num(optarg);
           if (wb_skip < 0) {
                pr2serr("bad argument to '--skip'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'S':
            wb_mspec = sg_get_num(optarg);
            if ((wb_mspec < 0) || (wb_mspec > 7)) {
                pr2serr("expected argument to '--specific' to be 0 to 7\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 't':
            wb_timeout = sg_get_num(optarg);
            if (wb_timeout < 0) {
                pr2serr("Invalid argument to '--timeout'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            ++verbose;
            break;
        case 'V':
            pr2serr(ME "version: %s\n", version_str);
            return 0;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    if ((wb_len > 0) && (bpw > wb_len)) {
        pr2serr("trim chunk size (CS) to be the same as LEN\n");
        bpw = wb_len;
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, false /* rw */, verbose);
    if (sg_fd < 0) {
        pr2serr(ME "open error: %s: %s\n", device_name,
                safe_strerror(-sg_fd));
        return SG_LIB_FILE_ERROR;
    }
    if (file_name || (wb_len > 0)) {
        if (0 == wb_len)
            wb_len = DEF_XFER_LEN;
        if (NULL == (dop = (unsigned char *)malloc(wb_len))) {
            pr2serr(ME "out of memory\n");
            ret = SG_LIB_SYNTAX_ERROR;
            goto err_out;
        }
        memset(dop, 0xff, wb_len);
        if (file_name) {
            got_stdin = (0 == strcmp(file_name, "-"));
            if (got_stdin) {
                if (wb_skip > 0) {
                    pr2serr("Can't skip on stdin\n");
                    ret = SG_LIB_FILE_ERROR;
                    goto err_out;
                }
                infd = STDIN_FILENO;
            } else {
                if ((infd = open(file_name, O_RDONLY)) < 0) {
                    snprintf(ebuff, EBUFF_SZ,
                             ME "could not open %s for reading", file_name);
                    perror(ebuff);
                    ret = SG_LIB_FILE_ERROR;
                    goto err_out;
                } else if (sg_set_binary_mode(infd) < 0)
                    perror("sg_set_binary_mode");
                if (wb_skip > 0) {
                    if (lseek(infd, wb_skip, SEEK_SET) < 0) {
                        snprintf(ebuff,  EBUFF_SZ, ME "couldn't skip to "
                                 "required position on %s", file_name);
                        perror(ebuff);
                        close(infd);
                        ret = SG_LIB_FILE_ERROR;
                        goto err_out;
                    }
                }
            }
            res = read(infd, dop, wb_len);
            if (res < 0) {
                snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s",
                         file_name);
                perror(ebuff);
                if (! got_stdin)
                    close(infd);
                ret = SG_LIB_FILE_ERROR;
                goto err_out;
            }
            if (res < wb_len) {
                if (wb_len_given) {
                    pr2serr("tried to read %d bytes from %s, got %d bytes\n",
                            wb_len, file_name, res);
                    pr2serr("pad with 0xff bytes and continue\n");
                } else {
                    if (verbose) {
                        pr2serr("tried to read %d bytes from %s, got %d "
                                "bytes\n", wb_len, file_name, res);
                        pr2serr("will write %d bytes", res);
                        if ((bpw > 0) && (bpw < wb_len))
                            pr2serr(", %d bytes per WRITE BUFFER command\n",
                                    bpw);
                        else
                            pr2serr("\n");
                    }
                    wb_len = res;
                }
            }
            if (! got_stdin)
                close(infd);
        }
    }

    res = 0;
    if (bpw > 0) {
        for (k = 0; k < wb_len; k += n) {
            n = wb_len - k;
            if (n > bpw)
                n = bpw;
            if (verbose)
                pr2serr("sending write buffer, mode=0x%x, mspec=%d, id=%d, "
                        " offset=%d, len=%d\n", wb_mode, wb_mspec, wb_id,
                        wb_offset + k, n);
            if (dry_run) {
                if (verbose)
                    pr2serr("skipping WRITE BUFFER command due to "
                            "--dry-run\n");
                res = 0;
            } else
                res = sg_ll_write_buffer_v2(sg_fd, wb_mode, wb_mspec, wb_id,
                                            wb_offset + k, dop + k, n,
                                            wb_timeout, true, verbose);
            if (res)
                break;
        }
        if (bpw_then_activate) {
            if (verbose)
                pr2serr("sending Activate deferred microcode [0xf]\n");
            if (dry_run) {
                if (verbose)
                    pr2serr("skipping WRITE BUFFER(ACTIVATE) command due to "
                            "--dry-run\n");
                res = 0;
            } else
                res = sg_ll_write_buffer_v2(sg_fd, MODE_ACTIVATE_MC,
                                            0 /* buffer_id */,
                                            0 /* buffer_offset */, 0,
                                            NULL, 0, wb_timeout, true,
                                            verbose);
        }
    } else {
        if (verbose)
            pr2serr("sending single write buffer, mode=0x%x, mpsec=%d, "
                    "id=%d, offset=%d, len=%d\n", wb_mode, wb_mspec, wb_id,
                    wb_offset, wb_len);
        if (dry_run) {
            if (verbose)
                pr2serr("skipping WRITE BUFFER(all in one) command due to "
                        "--dry-run\n");
            res = 0;
        } else
            res = sg_ll_write_buffer_v2(sg_fd, wb_mode, wb_mspec, wb_id,
                                        wb_offset, dop, wb_len, wb_timeout,
                                        true, verbose);
    }
    if (0 != res) {
        char b[80];

        ret = res;
        sg_get_category_sense_str(res, sizeof(b), b, verbose);
        pr2serr("Write buffer failed: %s\n", b);
    }

err_out:
    if (dop)
        free(dop);
    res = sg_cmds_close_device(sg_fd);
    if (res < 0) {
        pr2serr("close error: %s\n", safe_strerror(-res));
        if (0 == ret)
            return SG_LIB_FILE_ERROR;
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}